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All three 240's need the diff oil changed, simply because to the best of my knowledge it's never been done. I did a search and info is a little sketchy and surprisingly, Bentley's has nothing on the subject. While Haynes does provide some insight, I'm hoping that fellow BB'ers can share their knowledge. A prior post: http://www.brickboard.com/RWD/index.htm?id=926284 indicates that I should check to ensure the fill plug can be removed first before I loosen a case bolt for draining, but I'm confused as to what type of oil to use as there is some info in my manuals about a limited slip differential fluid. Also is PB blaster warranted for use on the fill bolt or cover bolt? Or should I take off the cover. If so, does it use a gasket, or sealant or both?
Any help would be greatly appreciated to keep me out of trouble. Thanks
Marty Wolfson
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90 244 216K, 93 244 167K, 93 244 109K, 99 V-70 73K
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